Signal Integrity Studio Getting Started Manual October, 2011
LeCroy Corporation 700 Chestnut Ridge Road Chestnut Ridge, NY, 10977-6499 Tel: (845) 578-6020, Fax: (845) 578 5985 Internet: www.lecroy.com © 2011 by LeCroy Corporation. All rights reserved. LeCroy and other product or brand names are trademarks or requested trademarks of their respective holders. Information in this publication supersedes all earlier versions. Specifications are subject to change without notice.
Signal Integrity Studio Introduction ................................................................................................................................4 Summary of Signal Integrity Studio Capabilities ............................................................................5 Operation without a LeCroy SPARQ .............................................................................................. 5 SI Studio as a SPARQ Network Analyzer Option ............................................
Getting Started Manual Introduction Signal Integrity Studio is an add-on to the LeCroy SPARQ application software. With SI Studio, users can analyze the signal integrity characteristics of a channel, including its eye diagram and jitter. The channel is described by its S-parameters, which can either be measured by an attached LeCroy SPARQ Signal Integrity Network Analyzer, or output from a VNA or other S-parameter modeling software.
Signal Integrity Studio Summary of Signal Integrity Studio Capabilities The Signal Integrity Studio capabilities of the SPARQ software application are contained within three items found within the Analysis menu: Simulator: Opens up the SPARQ Simulator Dialog for configuring the simulated signal that is input to the EyeDoctorII and/or Serial Data features Eye Doctor II: Opens up the Eye Doctor II Dialog for configuring pre/de-emphasis, channel emulation/deembedding, and equalization Serial Data: O
Getting Started Manual Licensing With each order for Signal Integrity Studio, a USB license key is delivered that allows a user to run the SPARQ application with the SI Studio functionally when disconnected from the SPARQ network analyzer. Users who purchase SI Studio for standalone use and who subsequently purchase a SPARQ may be eligible to have the SI_STUDIO option loaded onto their SPARQ. Please contact LeCroy Customer Service for more information.
Getting Started Manual Configuring Signal Integrity Studio: Step-by-Step Instructions Follow these steps to configure the Signal Integrity Studio capabilities to view an eye diagram and perform jitter analysis using either a measured or imported S-parameter file or a simulated signal. The following example configures a measurement on a 4-port device corresponding to a single differential lane. A.
Signal Integrity Studio B. Configure the Simulator Select Simulator... from the Analysis menu: 1. Go to the SimC1 tab. 2. Select the DataJit signal type. 3. Click the Jitter Settings button to open the Data/Jitter configuration window. 4. Configure the Data/Jitter simulator as desired and then click Close. For more details on configuring this screen, see the topic on Data/Jitter Configuration. Note: The Frequency setting configures the bitrate for NRZ type. 5.
Getting Started Manual C. Configure Eye Doctor Select Eye Doctor II... from the Analysis menu to open the Eye Doctor II dialog: 1. Press the Signal Input button, and configure the Signal Input dialog: a. Set the input to Input1-Input2 and select SimC1P and SimC1M for Input1 and Input2, respectively. b. Set the Nominal Bit Rate to match the selection made in the Data/Jitter window as described above. 2.
Signal Integrity Studio D. Configure Serial Data Select Serial Data... from the Analysis menu to open Serial Data Analysis II dialog: 1. Click the Enable SDA, Enable Eye Meas. and Enable Jitter Meas. checkboxes. 2. Click the Setup Signal Input button to configure the signal to analyze: a. Select 1 Input (or Diff Probe), and set Input 1 to use the Eye Doctor output: EDrOut. 3. Go to the Clock Recovery tab: a. Enter the bit rate of the simulated signal, or click Find Rate. 4.
Getting Started Manual SPARQ SI Studio Self-Contained Examples These self-contained examples demonstrate operation of the SPARQ SI Studio software option. Instructions 1 Images Required Equipment/files: PC running SPARQ application, minimum version 6.5.1.1 SI Studio USB license key OR SPARQ w/ SI_STUDIO software option Signal_Integrity_Studio_Examples_revX.zip SPARQ installers and Examples zip file are available at www.lecroy.
Signal Integrity Studio Instructions 1 Example 1 (DUT: SPARQ demo board) 1. Go to File Recall Setup… and touch Browse… 2. Select Signal Integrity Studio-Example1.lss a. Click Recall Now: The user will see a dialog describing the example b. After clicking OK to continue, the application will load the setup, obtain a simulated waveform, and calculate the eye and jitter values c. This example uses MyDUT-single-ended.
Getting Started Manual Instructions 1 Example 2 (DUT: SPARQ demo board) 1. Go to File Recall Setup… and touch Browse… 2. Select Signal Integrity Studio-Example2.lss a. Click Recall Now: The user will see a dialog describing the example b. After clicking OK to continue, the application will load the setup, obtain a simulated waveform, and calculate the eye and jitter values c. This example uses MyDUT-single-ended.
Signal Integrity Studio Instructions 1 Example 3 (DUT: Superspeed differential pair, USB3.0 cable) 1. Go to File Recall Setup… and touch Browse… 2. Select Signal Integrity Studio-Example3.lss a. Touch Recall Now: The user will see a dialog describing the example b. After clicking OK to continue, the application will load the setup, obtain a simulated waveform, and calculate the eye and jitter values c. This example uses MyDUT-differential2port.
